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Individual Calculations May 2021 |
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| Hoffmann, Yair Total change: -11.60 | |   |
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| Israeli youth league playoffs stage 2 | Various | ISR | 2021-04-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1954 | 2354 | 1.00 | 1 | 0.08 | 20 | 1.60 | |
|  Shtern, Idan | | | 1954 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Elitzur GM Winter 2020 C Stage 2 | Petah Tikva | ISR | 2021-04-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2355 | 2354 | 1.00 | 4 | -1.00 | 20 | -20.00 | |
| | Guz, Ari | f | | 2305 | ISR | 0.50 | 1 | -0.07 | 20 | -1.40 | |  Gorodetzky, Matan | f | | 2239 | ISR | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Dvoirys, Semen I. | g | | 2473 | RUS | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Globus, Or | f | | 2404 | ISR | 0.00 | 1 | -0.43 | 20 | -8.60 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Liga Arzit Merkaz 2021 Round 1 | Various | ISR | 2021-04-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2233 | 2354 | 1.00 | 1 | 0.34 | 20 | 6.80 | |
| | Gokhvat, Peter | | | 2233 | ISR | 1.00 | 1 | 0.34 | 20 | 6.80 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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